20753447

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8537}}^1$

素因数の和:8578

約数の個数: 16

約数和(自身を含む): 25818912

約数和(自身を除く): 5065465

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8537, 93907, 110981, 145129, 1220791, 1596419, 1886677, 20753447]

約数ペア:

[(1, 20753447), (11, 1886677), (13, 1596419), (17, 1220791), (143, 145129), (187, 110981), (221, 93907), (2431, 8537)]